[1] : The Collaborative International Dictionary of English v.0.48

kaiser \kai"ser\, n. gr., fr. l. caesar. cf. kesar, and
   czar.
   the ancient title of emperors of germany assumed by king
   william of prussia when crowned sovereign of the new german
   empire in 1871.
   1913 webster
see also:
kesar czar 

[2] : WordNet (r) 2.0

kaiser
     n : the title of the holy roman emperors or the emperors of
         austria or of germany until 1918

[3] : Moby Thesaurus II by Grady Ward, 1.0

24 moby thesaurus words for "kaiser":
   dalai lama, holy roman emperor, inca, ardri, bey, cacique, caesar,
   cham, czar, kaid, khan, mikado, negus, padishah, pendragon,
   pharaoh, rig, sachem, sagamore, shah, sheikh, shogun, tenno,
   tycoon

[4] : U.S. Gazetteer (1990)

kaiser, mo
  zip codes: 65047

Kaiser >> K Words
Kaiser, definition of term: Kaiser
kaiser_pag1.html

Kaiser Roll >> K Words
Kaiser Roll, definition of term: Kaiser Roll
kaiser+roll_pag1.html